CN108306309A - The remodeling method and synchronous capacitor group of turbine power generation unit - Google Patents
The remodeling method and synchronous capacitor group of turbine power generation unit Download PDFInfo
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- CN108306309A CN108306309A CN201810263631.0A CN201810263631A CN108306309A CN 108306309 A CN108306309 A CN 108306309A CN 201810263631 A CN201810263631 A CN 201810263631A CN 108306309 A CN108306309 A CN 108306309A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 48
- 238000010248 power generation Methods 0.000 title claims abstract description 46
- 239000003990 capacitor Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007634 remodeling Methods 0.000 title claims abstract description 18
- 230000009467 reduction Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000003245 coal Substances 0.000 description 5
- 239000003607 modifier Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1885—Arrangements for adjusting, eliminating or compensating reactive power in networks using rotating means, e.g. synchronous generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to heat power station technical field more particularly to a kind of remodeling methods of turbine power generation unit, including Step 1: the rotor of turbine in turbine power generation unit and the rotor of generator are dismantled, and mobile turbine makes turbine leave generator；Generator connect with a barring gear, keeps generator raising speed grid-connected by barring gear by step 2；Step 3: after generator connecting in parallel with system, barring gear exits, and generator maintains idle running on power grid.Further relate to a kind of synchronous capacitor group, it is transformed by old turbine power generation unit, including generator and barring gear, generator is the generator in turbine power generation unit, and the rotor of generator and the rotor of the turbine in turbine power generation unit are separated, generator is connected with power grid, and barring gear drives generator raising speed grid-connected.It can realize that old turbine power generation unit is transformed into synchronous capacitor group conveys reactive power to power grid, while meet the new unit of environmental requirement for high parameter and conceding installed capacity space.
Description
Technical field
The present invention relates to heat power station technical field more particularly to a kind of remodeling methods and one kind of turbine power generation unit
The synchronous capacitor group made of old turbine power generation unit transformation.
Background technology
Superfluous situation is generally presented in the electric power installed capacity in China at present, and the average of generating equipment is in using hourage
The trend now continued to decline.It persistently promotes coal unit to eliminate the backward production facilities with reducing energy consumption to upgrade, adds up turn off charactericstics machine
Group implements about 400,000,000 kilowatts of reducing energy consumption more than 28,000,000 kilowatts, implements minimum discharge and is transformed about 1.6 hundred million kilowatts.National thermoelectricity
Unit be averaged net coal consumption rate be down to 315 grams of mark coal/kilowatt hours (wherein about 318 grams of the equal net coal consumption rate of coal level mark coals/kilowatt
When), it reaches world-class levels.On the other hand, the increase of new energy proportion and the propulsion of " west-to-east power transmission " engineering etc. because
Element, regional area power grid increase the needs to reactive power instead.It is domestic at present general by the way of newly-built phase modifier,
To solve the problems, such as the shortage of regional area power system reactive power.The synchronous capacitor reactive-load compensation equipment important as power grid
The history for having its long is run, synchronous capacitor runs on electric motor state, and (or few band machinery is negative without mechanical load
Carry), without prime mover, the synchronous motor of reactive power is only provided to electric system.For improving power factor of electric network,
Maintain voltage level of power grid.It plays the role of the stable operation of power grid vital.It is constantly sent out along with regenerative resource
Exhibition, traditional power station replacement upgrading and the continuous expansion of extra-high voltage electric transmission and transformation technology, synchronous capacitor market stability increase.Have
Mechanism predicts：To nearly 3,500,000,000 yuan of the year two thousand twenty global synchronization phase modifier market scale.Also, rated power is more than the same of 200MVAr
Step camera speedup is most fast and by leading global similar product market.The country has carried out the large-scale phase modulation of 300MVAr at present
The correlative study of machine.
In view of on the one hand, it is retired in advance that environmental protection pressure forces some more long power plant of being on active service to be forced, and on the other hand, future is full
The rising of sufficient new energy proportion needs to create phase modifier station on a large scale, if it is possible to be transformed into old turbine power generation unit together
Step phase unit then can be achieved " waste " and utilize, both met environmental protection for high parameter that is, by old repowering at phase modifier station
It is required that new unit concede installed capacity space, and so that old power plant is become and convey dynamic reactive work(to power grid as phase modifier station
Rate promotes the safety of power grid, increases ability to arrange jobs of the power grid to new energy.Therefore, old turbine can be made to send out there is an urgent need for a kind of
Motor group becomes the remodeling method of synchronous capacitor group.
Invention content
Old turbine power generation unit can be transformed into synchronous phase modulation the technical problem to be solved in the present invention is to provide a kind of
The remodeling method of the turbine power generation unit of unit and a kind of synchronous capacitor made of old turbine power generation unit transformation
Group, to overcome the drawbacks described above of the prior art.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of remodeling method of turbine power generation unit, includes the following steps：Step 1: by turbine in turbine power generation unit
The rotor of rotor and generator is dismantled, and mobile turbine makes turbine leave generator；Step 2 fills generator and a jiggering
Connection is set, keeps generator raising speed grid-connected by barring gear；Step 3: after generator connecting in parallel with system, barring gear exits, generator
Idle running is maintained on power grid.
Preferably, generator is connect with an exciter, in step 3, is adjusted to the size of the exciting current of exciter
Section, make generator overexcited operation and to power grid export lagging reactive power or underexcited operation and to power grid output capacitive without
Work(power.
Preferably, in step 2, generator is connect by a main transformer with power grid.
Preferably, in step 2, barring gear include a clutch and a jiggering motor, by the input terminal of clutch with
Jiggering motor connects, and the output end of clutch is connect with generator, and then, jiggering motor raising speed, clutch input turns
Speed engages automatically more than the rotating speed of output end, keeps generator grid-connected with jiggering motor raising speed；In step 3, jiggering motor
Reduction of speed, clutch disengage automatically, and barring gear is made to exit.
Preferably, one brake is set in the input terminal of clutch.
A kind of synchronous capacitor group is transformed by old turbine power generation unit, including generator and barring gear, hair
Motor is the generator in turbine power generation unit, and the rotor of generator and the rotor of the turbine in turbine power generation unit mutually take off
From generator is connected with power grid, and barring gear connect with generator and drives generator raising speed grid-connected.
Preferably, generator is connect with an exciter.
Preferably, generator is connect by a main transformer with power grid.
Preferably, barring gear includes a clutch and a jiggering motor, and the input terminal of clutch is connect with jiggering motor,
The output end of clutch is connect with generator.
Preferably, clutch close to the side of generator set there are one thrust bearing as dead point.
Preferably, it is set there are one the first journal bearing close to the side of generator in clutch, in clutch close to jiggering
The side of motor is set there are one the second journal bearing.
Preferably, the first journal bearing and thrust bearing are same combined radial and axial bearing.
Preferably, it is equipped with a brake in the input terminal of clutch.
Compared with prior art, the present invention has significant progress：
It can realize and old turbine power generation unit is transformed into synchronous capacitor group, to realize that " waste " utilizes, both
The new unit for meeting environmental requirement for high parameter concedes installed capacity space, and old turbine power generation unit variable body is made to be same
Step phase unit conveys dynamic reactive power to power grid, promotes the safety of power grid, increases power grid and receives energy to new energy
Power.
Description of the drawings
Fig. 1 is that the structure of synchronous capacitor group made of old turbine power generation unit transformation of the embodiment of the present invention is shown
It is intended to.
Fig. 2 is " V " type characteristic curve of the synchronous capacitor group of the embodiment of the present invention.
Fig. 3 is the equivalent circuit schematic diagram of the compensation principle of the synchronous capacitor group of the embodiment of the present invention.
Fig. 4 is the vectogram of the compensation principle of the synchronous capacitor group of the embodiment of the present invention.
In figure：
1, generator 2, barring gear
21, clutch 22, jiggering motor
23, brake 24, combined radial and axial bearing
25, the second journal bearing 3, main transformer
4, power grid 5, exciter
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.These embodiments are only used for
Illustrate the present invention, and not limitation of the present invention.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Figures 1 to 4, a kind of embodiment of the remodeling method of turbine power generation unit of the invention.
The remodeling method of the turbine power generation unit of the present embodiment includes the following steps：
Step 1: the rotor of turbine in turbine power generation unit and the rotor of generator 1 are dismantled, and mobile turbine makes turbine
Leave generator 1.Prime mover in turbine power generation unit is first removed, that is, removes turbine, which can be gas turbine,
Either steam turbine.Specifically, the shaft coupling between turbine and generator 1 can be removed, and turbine is removed, or is mobile
The rotor of turbine, the rotor for making turbine and generator 1 leaves certain safe distance.
Generator 1 is connect by step 2 with a barring gear 2, is realized the rotating speed of generator 1 by the barring gear 2
Former working speed is promoted, 1 raising speed of generator is made to be connected to the grid 4.Preferably, barring gear 2 may include 21 He of a clutch
The input terminal of clutch 21 is connect, by the output end of clutch 21 and generator 1 by one jiggering motor 22 with jiggering motor 22
Connection, then by 22 raising speed of jiggering motor, it is more than the rotating speed of 21 output end of clutch to make the rotating speed of 21 input terminal of clutch, this
When clutch 21 engage automatically, to can realize that generator 1 is grid-connected with 22 raising speed of jiggering motor.The form of jiggering motor 22 is simultaneously
Do not limit to, it is preferred to use hydraulic motor.To prevent under oily towing tension square, the rotating speed of jiggering motor 22 is excessively high, it is preferable that can be with
In the input terminal of clutch 21, one brake 23 is set.
Step 3: after generator 1 is grid-connected, barring gear 2 exits, and generator 1 maintains idle running on power grid 4.The present embodiment
In, after generator 1 is grid-connected, the rotating speed of 22 reduction of speed of jiggering motor, 21 input terminal of clutch turns less than 21 output end of clutch
When fast, clutch 21 disengages automatically, to realize that barring gear 2 exits.At this point, generator 1 is hung over without prime mover on power grid 4,
And to 4 output reactive power of power grid, that is, constitute synchronous capacitor group.Thus it realizes and is transformed into turbine power generation unit together
Step phase unit.
Preferably, in the present embodiment, generator 1 is connect with an exciter 5, and generator 1 is passed through into a main transformer 3
It is connect with power grid 4, then in above-mentioned steps three, after generator 1 is hung over without prime mover on power grid 4, passes through encouraging to exciter 5
The size of magnetoelectricity stream is adjusted, and the property for the reactive power that can be exported to power grid 4 with regulator generator 1 makes 1 mistake of generator
Excitation runs and exports lagging reactive power to power grid 4, or make 1 underexcited operation of generator and to power grid 4 export capacitive without
Work(power.Referring to Fig. 2, it is shown that synchronous motor output current, i.e. 1 output current of generator are big with 5 exciting current of exciter
Relationship between small.
Under normal circumstances, when power grid is in heavy load, a big chunk lagging reactive power is born.Thus, entire electricity
The power factor of netIt is relatively low, and the transmission capacity of power grid be it is certain,It is worth low, then electrical grid transmission active power
Ability reduce, the loss and pressure drop of circuit increase, and voltage reduces.At this point, synchronous capacitor group is installed in load pivot point,
And it allows it to be run under overexcitation shape state, the lagging reactive power realization needed for load is supplied on the spot.Referring to Fig. 3 and
Fig. 4, it is shown that the compensation principle of synchronous capacitor group, in figure, a is system power supply, and b is synchronous capacitor group, XLAnd RLFor sense
Property load, I be system power supply electric current, IQCFor synchronous capacitor group electric current, ILFor load current, IFFor active point of load current
Amount, IQLFor load current reactive component.Install synchronous capacitor group and provide reactive power compensation after, power factor by
It is increased toTo improve power grid to there is the transmittability for power.When power grid is in low ebb load operation, power grid or
When subnetwork capacitive reactive power occurs more than lagging reactive power, i.e., the voltage of power grid can be caused to increase, at this point, making
Synchronous capacitor group underexcited operation inhibits and improves the raised situation of voltage to balance capacitive reactive power and occur.
Further, in the present embodiment, set close to the side of generator 1 that there are one thrust bearings as dead in clutch 21
Point, it is ensured that the safety trip of 2 shafting of barring gear and 1 shafting of generator in above-mentioned steps three, to ensure generator operation as synchronous condenser
Securely and reliably.
Further, it in the present embodiment, is set there are one the first journal bearing close to the side of generator 1 in clutch 21,
Clutch 21 is set close to the side of jiggering motor 22 there are one the second journal bearing 25, then in above-mentioned steps two, in clutch
When 21 engagement, the first journal bearing and the second journal bearing 25 form spigot bearing, Neng Gouman in the both sides of clutch 21 respectively
The requirement of sufficient clutch 21 ensures that 1 normal raising speed of generator is grid-connected, and is exited for barring gear 2 in above-mentioned steps three
Security reliability is provided.
Thrust bearing as dead point can be independently of the setting of the first journal bearing in clutch close to generator one
The thrust bearing of side.Preferably, to shorten shafting length, in the present embodiment, referring to Fig. 1, thrust bearing and the first radial axle
It holds as same combined radial and axial bearing 24.
To sum up, the remodeling method of the turbine power generation unit of the present embodiment can be realized, and old turbine power generation unit is transformed
At synchronous capacitor group, to realize that " waste " utilizes, the new unit that environmental requirement is both met for high parameter concedes installed capacity
Space, and old turbine power generation unit variable body is made to be that synchronous capacitor group conveys dynamic reactive power to power grid 4, promote electricity
The safety of net 4 increases ability to arrange jobs of the power grid 4 to new energy.
The embodiment of the present invention additionally provides a kind of synchronous capacitor group.The synchronous capacitor group of the present embodiment is by old saturating
Flat generating set is transformed, and referring to Fig. 1, the synchronous capacitor group of the present embodiment includes generator 1 and barring gear 2, power generation
Machine 1 is the generator in old turbine power generation unit, and the turbine in the rotor of generator 1 and turbine power generation unit turns
Son is separated, and generator 1 is connected with power grid 4, and barring gear 2 is connect with generator 1, for driving 1 raising speed of generator simultaneously
Net, and in 1 grid-connected backed off after random of generator, so that generator 1 is maintained idle running on power grid 4, to realize generator operation as synchronous condenser.
Preferably, barring gear 2 includes a clutch 21 and a jiggering motor 22, input terminal and the jiggering horse of clutch 21
Up to 22 connections, the output end of clutch 21 is connect with generator 1, then by 22 raising speed of jiggering motor, clutch 21 is made to input
The rotating speed at end is more than the rotating speed of 21 output end of clutch, and clutch 21 engages automatically at this time, to which generator 1 can be realized with disk
Vehicle and horse are grid-connected up to 22 raising speeds.After generator 1 is grid-connected, the rotating speed of 22 reduction of speed of jiggering motor, 21 input terminal of clutch is less than clutch
When the rotating speed of 21 output end of device, clutch 21 disengages automatically, to realize that barring gear 2 exits.At this point, generator 1 is dynamic without original
Machine is hung on power grid 4, and to 4 output reactive power of power grid, and synchronous capacitor group carries out generator operation as synchronous condenser.The present embodiment mid-game
Vehicle and horse do not limit to up to 22 form, it is preferred to use hydraulic motor.To prevent under oily towing tension square, the rotating speed of jiggering motor 22
It is excessively high, it is preferable that can one brake 23 to be set in the input terminal of clutch 21.
Preferably, in the present embodiment, generator 1 is connect with an exciter 5, and generator 1 passes through a main transformer 3 and electricity
Net 4 connects, then in synchronous capacitor group generator operation as synchronous condenser, is adjusted by the size of the exciting current to exciter 5, can
With the property for the reactive power that regulator generator 1 is exported to power grid 4, makes 1 overexcited operation of generator and export and feel to power grid 4
Property reactive power, or make 1 underexcited operation of generator and export capacitive reactive power to power grid 4.
Further, in the present embodiment, set close to the side of generator 1 that there are one thrust bearings as dead in clutch 21
Point, it is ensured that when barring gear 2 exits, the safety trip of 2 shafting of barring gear and 1 shafting of generator, to ensure that phase modulation is transported
Capable is safe and reliable.
Further, it in the present embodiment, is set there are one the first journal bearing close to the side of generator 1 in clutch 21,
Clutch 21 is set close to the side of jiggering motor 22 there are one the second journal bearing 25, then when clutch 21 engages, the first diameter
Spigot bearing is formed in the both sides of clutch 21 respectively to bearing and the second journal bearing 25, disclosure satisfy that making for clutch 21
With requiring, ensure that 1 normal raising speed of generator is grid-connected, and security reliability is provided for exiting for barring gear 2.
Thrust bearing as dead point can be independently of the setting of the first journal bearing in clutch close to generator one
The thrust bearing of side.Preferably, to shorten shafting length, in the present embodiment, thrust bearing and the first journal bearing are same
Combined radial and axial bearing 24.
The remodeling method for the turbine power generation unit that the synchronous capacitor group of the present embodiment can provide through this embodiment obtains
.
In conclusion the remodeling method of the turbine power generation unit of the present embodiment and the synchronization obtained by the remodeling method
Phase modulation unit can be realized old turbine power generation unit being transformed into synchronous capacitor group, to realize that " waste " utilizes,
Not only it had been that high parameter had met the new unit of environmental requirement and concedes installed capacity space, but also has made the old turbine power generation unit variable body be
Synchronous capacitor group conveys dynamic reactive power to power grid 4, promotes the safety of power grid 4, increases suction of the power grid 4 to new energy
Receive ability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
It changes and also should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of remodeling method of turbine power generation unit, which is characterized in that include the following steps：
Step 1: the rotor of the rotor of turbine in turbine power generation unit and generator (1) is dismantled, and the mobile turbine makes institute
It states turbine and leaves the generator (1)；
The generator (1) connect with a barring gear (2), makes the generator by the barring gear (2) by step 2
(1) raising speed is grid-connected；
Step 3: after the generator (1) is grid-connected, the barring gear (2) is exited, and the generator (1) is tieed up on power grid (4)
Hold idle running.
2. the remodeling method of turbine power generation unit according to claim 1, which is characterized in that the generator (1) and one
Exciter (5) connects, and in the step 3, is adjusted to the size of the exciting current of the exciter (5), makes the hair
Motor (1) overexcited operation and to power grid (4) export lagging reactive power or underexcited operation and to power grid (4) output capacitive without
Work(power.
3. the remodeling method of turbine power generation unit according to claim 2, which is characterized in that the generator (1) is logical
A main transformer (3) is crossed to connect with the power grid (4).
4. the remodeling method of turbine power generation unit according to claim 1, which is characterized in that in the step 2, institute
State barring gear (2) include a clutch (21) and a jiggering motor (22), by the input terminal of the clutch (21) with it is described
Jiggering motor (22) connects, and the output end of the clutch (21) is connect with the generator (1), then, the jiggering horse
Up to (22) raising speed, the rotating speed of clutch (21) input terminal engages automatically more than the rotating speed of output end, makes the generator
(1) grid-connected with jiggering motor (22) raising speed；In the step 3, jiggering motor (22) reduction of speed, the clutch
(21) automatic to disengage, so that the barring gear (2) is exited.
5. the remodeling method of turbine power generation unit according to claim 4, which is characterized in that in the clutch (21)
A brake (23) is arranged in input terminal.
6. a kind of synchronous capacitor group, which is characterized in that be transformed by old turbine power generation unit, including generator (1)
With barring gear (2), the generator (1) is the generator in the turbine power generation unit, and the rotor of the generator (1)
It is separated with the rotor of the turbine in the turbine power generation unit, the generator (1) is connected with power grid (4), the jiggering
Device (2) connect with the generator (1) and drives the generator (1) raising speed grid-connected.
7. synchronous capacitor group according to claim 6, which is characterized in that the generator (1) connects with an exciter (5)
It connects.
8. synchronous capacitor group according to claim 7, which is characterized in that the generator (1) passes through a main transformer
(3) it is connect with the power grid (4).
9. synchronous capacitor group according to claim 6, which is characterized in that the barring gear (2) includes a clutch
(21) it is connect with the jiggering motor (22) with a jiggering motor (22), the input terminal of the clutch (21), the clutch
(21) output end is connect with the generator (1).
10. synchronous capacitor group according to claim 9, which is characterized in that in the clutch (21) close to the hair
The side of motor (1) set there are one thrust bearing as dead point.
11. synchronous capacitor group according to claim 10, which is characterized in that in the clutch (21) close to the hair
The side of motor (1) is set there are one the first journal bearing, in the clutch (21) close to the side of the jiggering motor (22)
If there are one the second journal bearings (25).
12. synchronous capacitor group according to claim 11, which is characterized in that first journal bearing and the thrust
Bearing is same combined radial and axial bearing (24).
13. synchronous capacitor group according to claim 9, which is characterized in that set in the input terminal of the clutch (21)
There is a brake (23).
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| CN201810263631.0A CN108306309A (en) | 2018-03-28 | 2018-03-28 | The remodeling method and synchronous capacitor group of turbine power generation unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865129A (en) * | 2021-04-08 | 2021-05-28 | 哈尔滨理工大学 | Static phase modifier |
| CN113555880A (en) * | 2021-07-23 | 2021-10-26 | 国网甘肃省电力公司经济技术研究院 | Reactive compensation access point screening method based on retired synchronous generator set |
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